git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1080 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.FileFormats/IniFile.cs

@@ -0,0 +1,87 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Text.RegularExpressions;
+
+namespace MapViewer
+{
+	public class IniFile
+	{
+		Dictionary<string, IniSection> sections = new Dictionary<string, IniSection>();
+		IniSection currentSection;
+
+		public IniFile( Stream s )
+		{
+			StreamReader reader = new StreamReader( s );
+			while( !reader.EndOfStream )
+			{
+				string line = reader.ReadLine();
+				if( !ProcessEntry( line ) )
+					ProcessSection( line );
+			}
+		}
+
+		Regex sectionPattern = new Regex( @"\[([^]]*)\]" );
+		Regex entryPattern = new Regex( @"([^=]+)=([^;]*)" );
+
+		bool ProcessSection( string line )
+		{
+			Match m = sectionPattern.Match( line );
+			if( m == null || !m.Success )
+				return false;
+
+			string sectionName = m.Groups[ 1 ].Value;
+			currentSection = new IniSection( sectionName );
+			sections.Add( sectionName, currentSection );
+
+			return true;
+		}
+
+		bool ProcessEntry( string line )
+		{
+			Match m = entryPattern.Match( line );
+			if( m == null || !m.Success )
+				return false;
+
+			if( currentSection == null )
+				throw new InvalidOperationException( "No current INI section" );
+
+			string keyName = m.Groups[ 1 ].Value;
+			string keyValue = m.Groups[ 2 ].Value;
+
+			currentSection.Add( keyName, keyValue );
+
+			return true;
+		}
+
+		public IniSection GetSection( string s )
+		{
+			IniSection section;
+			sections.TryGetValue( s, out section );
+			return section;
+		}
+	}
+
+	public class IniSection
+	{
+		string name;
+		Dictionary<string, string> values = new Dictionary<string, string>();
+
+		public IniSection( string name )
+		{
+			this.name = name;
+		}
+
+		public void Add( string key, string value )
+		{
+			values.Add( key, value );
+		}
+
+		public string GetValue( string key, string defaultValue )
+		{
+			string s;
+			return values.TryGetValue( key, out s ) ? s : defaultValue;
+		}
+	}
+}